John Deere Tractors X340

Park machine safely on level surface.

Put drain pan under drain valve.

Remove drain cap and drain oil into drain pan. Allow oil to drain completely.

Wipe dirt from around oil filter.

Place a drain pan or funnel under oil filter tray.

Lubricate front axle pivot and axle spindles

38 and 42 Mowers: Lubricate two mower spindle grease fittings with two pumps of grease

48 and 54 Mowers: Lubricate three mower spindle grease fittings with two pumps of grease

Lubricate grease fitting on each spindle with one or two pumps of general all-purpose grease

Turn wheels to distribute grease on spindles

Lubricate front axle center pivot grease fitting with one or two pumps of general all-purpose grease

Lubricate mower spindles, pivot points, and lift pedal

Park machine safely on level surface

Put drain pan under drain valve

Remove drain cap and drain oil into drain pan

Wipe dirt from around oil filter

Place a drain pan or funnel under oil filter tray

Turn thumb screws 1/4 turn counterclockwise and lift cover to remove

Loosen air filter clamp by turning thumbscrew counterclockwise until clamp loosens. Carefully lift the filter element out of the air cleaner base

Remove the foam precleaner from the paper filter element. If the foam precleaner is dirty, wash precleaner in a solution of warm water and liquid detergent, rinse precleaner thoroughly. Squeeze out excess water in a dry cloth until precleaner is completely dry. Replace the precleaner if damaged or missing

Inspect paper filter element. Replace the filter element if damaged or dirty

Clean air cleaner base very carefully, preventing any dirt from falling into air intake tube

Install foam precleaner on paper filter element. Position air filter in air filter base and on air intake tube. Align air filter clamp on intake tube groove and tighten clamp by turning thumbscrew clockwise until secure

Install air cleaner cover on engine and turn thumbscrews 1/4 turn clockwise to secure

Park machine safely. (See Parking Safely in the SAFETY section.)

Raise mower deck to highest position to access blades.

Measure distance (A) between blade tip and flat ground surface.

Rotate blade 180° and measure distance between other blade tip and flat ground surface.

Install new blade if the difference between the two measurements is more than 3 mm (1/8 in.).